Hanging scaffold.



G. M. HAYNES.

Enema SGAFFOLD. APILIGATION FILED JUNE 27, 1910 Eatented; Jan. 10,1911.

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F C I CHARLES M. Barnes, or :NEWKRK', nnwannsnx, ASSIGNOR o nonE-HALr-aoJenn 1 ONEIL', on NEW YoRK, .N.1.Y.

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Specification of Letters Patent.

' Application filcd'J'une 27, 1510; Serial llo. 569,027.

To all whom 'itmay concern: i

Be it known that I, CHARLES M. HAYNES,

a citizen. of the United States, residing at Newark, in the county ofEssex and State 'of New Jersey, have invented certain new and usefulImprovements in Hanging Scaffolds, of which the following is aspecification; i

I Q o a i Thls invention relates to hanging scaffolds, the object of theinvention being to; provide aneffective device of this character havingsimple means for raising the same,

said means beingso located as to-be out of- ,the wayof the workmenoccupying the scaffold, although-readily accessible. The dev cepossesses other features of improvement and-utility which with theforegoing will be set forth at length in the following descripticnwherein I will outline that form of embodiment of the invention which Ihave selected, for illustratiom-in'the drawings-accompanying and formingpart of the present specification, this disclosure beifig primarily toenable those skilledin the art to practice the invention. The'novelty'ofthe lnvention will 'be' included inthe; claims suck ceeding saiddescription and at this point I- might observe that I do not restrictmyself to the showing made by saiddrawings and description as I maydepart therefromin several-respects within thescope. of my invention asex pressed in said=elaims.

Referring iO Stlld drawings: Figure 1 1s a plan view'of a scaffoldinvolving my in-' vention, and, Fig.2 is a front elevation of the same.

Like characters refer to like parts in both figures of the drawings.

A scaffold comprising my invention can lie employed with advantage inmany differ-- out ways, for instance, in the formation'of masonry arounda steel structure, and in this particular use the scaffold is generallyhung from beams or girders which extend outfrom the building, or which,if necessary,

.may be within the same, this ppin'tnot being consequential.

The scaffold pn-ferably embodies in its construction two laterallyseparatedv main or platform supporting 1nembers'2 and 3 which, as shown,are customarily disposed in parallelism, and'a c nnecting or transversemember 4, each of the three members being usually of skeleton or openconstruction and being preferably in' horizontal alinement Theplatform-supporting members 2 and 3 ordinarily extends out from'abuildjmg and the connecting ortransverse member acts through cables orropes as to equally elethis reel mechanism is mounted on the conofthe'vOrI'cinen occupying the scaffold and who generally travelfrom: oneof the mom or boards bridging said"membe rs 2 and 3.

in itself, and.there may be anynum'ber of these units along a building,and where several are employed'the interval separating the same isapproximately the same as thatbetween the members 2 and 3 and where aplurality of these scaffolds or units are utilized bridge, work maylie-utilized to connectthc same if desired. t

The different parts of the reel mechanism are sustained in some suitablemanner "for example, by a frame 7 shown as consisting of approximatelyinverted U members, the legs or branches of'whi'ch. are substantiallyfastened to'the connecting member 4 practiczilly, centrall between theends thereof.

are mounted spools 8 and .9 which are preferably rotatlvcly connected soas to turn as might .bii',operatcd independently. I have shown rigidlyconnected with one of these spools or drums, for. example, the spool 8,a worm gear 11 in mesh with a worm' 12, the shaft of which is providedwith a pinion 13 in mesh with a spur gear lflcarried-on the shaft 15,said two shafts being supported by suitable bearings on one of the sidesof the crank 16 by which t e same can be turned,

"vate all' parts of the device and preferablylbers (2 and 3)" to theother by planking The Structure thus far described is ,a unit one,although it is conceivable that they frame 7 and the upper shaftcarrying a -latented Jan. 10,1911.

4 1s preferably located at the outer portion 3 are shown as provided attheir inner ends v it As a -'c onvenient means for raising thegjscafloldfI p'rovidereelmechanism which so necti 'member4. so as to beout of the way Between the Si e'sior branches of the. frame thereby,through the intermediate )arts turning simultaneously .thetwo spoo s ,or

' drums 8 and 9.. In-view of the character of atedat the rear ends ofthe main or the gearin accidental baclnv'ard movement of the spoo s willbe positively prevented, although the spools canbe freely turned toelevate thescaifoldi andas a matter of fact they can. be as .easi

.y .turned to effect lowering of the same.

. Connected with the spool 8 and extending outwardly therefrolnarecables or ropes 1-7.

and 18, while from'the' spool '9 complemental land '18 extend. The

cables or ropes 17 cables 17 and 17 in the present instance pass under.gui'de sheaves 19 shownas situ form supporting members2 and 3,. theextreme outer en s of said cables 17' and 17' .after.they have passedthe sheaves 19 being connected withgirders or other equivalents locatedabove the said main members 2 and 3; a The cablesilSfand 18 passaroundguidc I sheaves 2O rotatively supported'by the main 'thoughnthetwo setsof referred It, therefore, the crank '16 is turned in suchdirection as to members 2 and 3 respectively and situated in wind thecables 17 and 18 and17 1 to the spoolsor drums Stand Othe platform v islifted and that owing to the relationof the raising the structure.

, separated members, a connecting member for two pairs of -cab parts,the .outer and inner ends of thema-in members 2 and 3 are'lifted anequal extent.

Thereare, ofcourse, within the spiritpf my inventionother Ways ofturning the spools or drums 8 and 9, and 'the're'are other Ways forguiding or positioning thehoisting or lifting cables, and it will .beobserved that the cables which are employed for sus pending thestructure are YVhat I claim is:

1. A hanging scaffold comprising laterally the laterally separatedmembers, a hoisting device supported by the connecting member, esextending oppositely platand lS'on':

and a connecting member 4 I supporting members, combined witl'igcablemeans'f0r supporting the scaffold Structure so utilized in from andoperable b and'..guide sheaves fbr the two pairs of. cables, support-edby the laterallysgcalparated members at longitudinally separate thereon.

points 2. A' hanging scafi'oid comprising a pair fold structure,

supported by the laterally- Iof laterally-separated members, aconnectingmember for the laterally separated members, two pairsof-cables for supportin the scafa plurality of gui separated men"1- e;sheaves bers, for receiving-the said cables,:-and m cans on said.eonnectin 3; A hangin member, for feeling said cables to elevate t escaffold structure.

scafi'old com prising laterally: separatedmern ers, a 'connctmgmember'for the isangaevie; as

the laterally separated members, sus )ending. cables for the scafi'old,the lateral y' separated members having guidesheaves forthe cables, atlongitudinally separated points,

.andmeans on the connecting member. for;

simultaneously reeling the cables.

4. A hanging scafi'o eludin ascaabla structure comprising. a pair 0laterally separated, platform supporting member'sseparated mem erscombined withw r means for supporting the scaffold structure? atdifi'erent points from front to rear t cable" and a connectin 'meniberforsaidlaterarlly 'eo here;-

of, and means onsaid connecting umb r for reeling said cable meanstoelevate, said-5 'sc'afi'old structurer 5. A ha'ngingscafi'oldcomprisi'n scaf fold/structure including a pair of ater'alI-y and a.connectin member for said latform- 31 From said: platform-supportingmembers at longitudi-'- "nally-separa'ted points, and means on therising connectingmemberfol-reeling said cables.

6, A hanging scaffold comprisinga scaffold structure m'eluding a pan oflaterallyseparated, platform-sup orting members and rising ther'efromfatfrom front torear thereof,

d-ilferent points separated, platform supporting members or saidplatform f Witnesses in presence ofltwo witnesses":

t CHARLES M,

" SAM EL P.- WATsoIjI, 7 I

E'UoENE KnamsoN.

